Functional Roles
Industries Served
Physical Properties
melting_point
304 u00b0F (USCG, 1999)
boiling_point
337.5 u00b0C at 760 mm Hg: 265 u00b0C at 100 mm Hg: 240.5 u00b0C at 40 mm Hg: 222 u00b0Cat 20 mm Hg: 205.5 u00b0C at 10 mm Hg; 191 u00b0C at 5 mm Hg; 159.5 u00b0C at 1.0 mm Hg
density
1.36 at 68 u00b0F (USCG, 1999) - Denser than water; will sink
solubility
Slightly soluble in water. Freely soluble in ethanol
vapor_pressure
3.02X10-5 Pa at 25 u00b0C (2.27X10-7 mm Hg)
flash_point
376 u00b0F Combustible solid (USCG, 1999)
ph
pH of saturated aqueous solution at 25 u00b0C = 2.7; pH of 0.1% solution at 25 u00b0C = 3.2
GHS / SDS Safety
Danger
Irritant
Health Hazard
Corrosive
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H316: Causes mild skin irritation [Warning Skin corrosion/irritation]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H333: May be harmful if inhaled [Warning Acute toxicity, inhalation]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H319 (95.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Chemical Identity
| CAS Number | 124-04-9 |
| IUPAC Name | hexanedioic acid |
| InChI Key | WNLRTRBMVRJNCN-UHFFFAOYSA-N |
| PubChem CID | 196 |
| INCI Name | ADIPIC ACID |
Synonyms & Trade Names
Full Description
Adipic Acid (CAS 124-04-9) is a white crystalline dicarboxylic acid with the molecular formula C6H10O4, functioning primarily as a pH adjustment agent in industrial applications. This combustible solid material serves critical roles in the coatings & construction and plastics & polymers industries. With a melting point of 304°F and density of 1.36 g/cm³, adipic acid exhibits slight water solubility while being freely soluble in ethanol.